Prepare android/ios command prepares both platforms when added

[vchimev]

Log:

VCHIMEVMAC:release vchimev$ node_modules/.bin/tns build ios --path appTest
The iOS Deployment Target is now 8.0 in order to support Cocoa Touch Frameworks in CocoaPods.
Successfully prepared plugin nativescript-iqkeyboardmanager for ios.
nativescript-iqkeyboardmanager is not supported for android.
Successfully prepared plugin nativescript-social-share for ios.
Creating project scheme...
Installing pods...
Updating local specs repositories
...
...
...
VCHIMEVMAC:release vchimev$ node_modules/.bin/tns build android --path appTest
The iOS Deployment Target is now 8.0 in order to support Cocoa Touch Frameworks in CocoaPods.
Successfully prepared plugin nativescript-iqkeyboardmanager for ios.
nativescript-iqkeyboardmanager is not supported for android.
Successfully prepared plugin nativescript-social-share for ios.
Successfully prepared plugin nativescript-social-share for android.

[Fatme]

Steps to reproduce:

1. Add ios and android platforms.
2. Open package.json file and add

"email-validator": "^1.0.2",
"nativescript-iqkeyboardmanager": "^1.0.0",
"nativescript-social-share": "^1.1.0"

as dependencies
3. Prepare the project for android platform.